Deck 2: Basic Electricity

Question 1

What is resistance?

Answer 1

Resistance is the opposition to the flow of electrons in an electric circuit.

Question 2

An insulator is a material that has free electrons available.

Answer 2

False

Question 3

An electrode is a solid conductor through which an electric current can pass.

Answer 3

True

Question 4

The electrons flowing in an electric circuit are referred to as current.

Question 5

What does the law of electric charges state?

Question 6

A(n) ____________________ is the smallest particle of a substance that has the properties of that substance.

Question 7

The nucleus of an atom is made up of ____________________ and neutrons.

Question 8

A conductor is a material that does not take on electrons.

Question 9

What are free electrons?

Question 10

An electron has a positive charge, while a proton has a negative charge.

Question 11

The central part of an atom is called the nucleus.

Question 12

Explain the difference between direct and alternating current.

Question 13

The main characteristic of static electricity is that a prolonged or steady flow of current is not possible.

Question 14

The ____________________ method of producing electron flow uses a conductor to cut through a magnetic field, which causes a displacement of electrons.

Question 15

When is an atom considered to be neutral?

Question 16

The ____________________ of an atom orbit around the nucleus.

Question 17

Energy is the substance of which a physical object is composed.

Question 18

The simplest atom that exists is the hydrogen atom, which consists of one proton that is orbited by several electrons.

Question 19

An atom is the smallest particle of an element that can exist alone or in combination.

Question 20

Electric ____________________ is the rate at which the electrons do work.